Inventor
Akihiro Kawakami
Inventor
Tokyo, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography41%
H04QSelecting9%
A47BTables5%
B60LPropulsion of electrically-propelled vehicles5%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology5%
F01CRotary-piston or oscillating-piston machines or engines5%
F04BPositive-displacement machines for liquids5%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
H02KDynamo-electric machines5%
PatentTitleYear
10,946,766Electrically powered vehicle202110,852,689Powder container and image forming apparatus202010,635,043Powder container and image forming apparatus202010,394,186Powder container and image forming apparatus201910,203,650Powder container and image forming apparatus201910,048,644Powder container and image forming apparatus20189,547,257'Developer pump with restricted detection time and image forming device'20179,201,336'Developing device and image forming apparatus including a toner bearing member having a predetermined relationship with toner'20158,768,224'Developing device, image forming apparatus, and developing method'20148,626,039'Image forming apparatus and method capable of obtaining high quality image suppressing edge effect'20147,938,633'Electric compressor and electric motor with a housing having a circumferential wall with thick and thin portions'2011D0279780'Facsimile transceiver'19854,202,029'Transportable telephone exchange apparatus'19804,197,434'Telephone exchange apparatus'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1985Based in Yokohama, JP· patent location history
2011Based in Kariya, JP· patent location history
2014–2020Patents assigned to RICOH CO LTD (9)· patent assignee history
2014–2019Patents assigned to KAWAKAMI AKIHIRO (7)· patent assignee history
2014–2021Based in Tokyo, JP· patent location history
2015–2019Patents assigned to KOIKE TOSHIO (5)· patent assignee history
2017–2019Patents assigned to KONDOH KEINOSUKE (4)· patent assignee history
2017–2019Patents assigned to MATSUMOTO JUNICHI (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 9 | 2014–2020 |
| KAWAKAMI AKIHIROself | 7 | 2014–2019 |
| KOIKE TOSHIO | 5 | 2015–2019 |
| KONDOH KEINOSUKE | 4 | 2017–2019 |
| MATSUMOTO JUNICHI | 4 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 2014–2021 |
| Yokohama, JP | 3 | 1980–1985 |
| Kariya, JP | 1 | 2011 |